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// Copyright (c) 2006-2018 Maxim Khizhinsky
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <cds_test/ext_gtest.h>
#include <cds/details/tls_holder.h>
#include <thread>
namespace {
class tls_test: public ::testing::Test
{};
TEST_F( tls_test, int_val )
{
struct tag_a;
cds::details::tls_holder<int, tag_a> a;
a.set( 1 );
struct tag_b;
cds::details::tls_holder<int, tag_b> b;
b.set( 2 );
cds::details::tls_holder<int, tag_a> c;
c.set( 3 );
EXPECT_EQ( a.get(), 3 );
EXPECT_EQ( b.get(), 2 );
EXPECT_EQ( c.get(), 3 );
EXPECT_EQ( a.get(), c.get() );
EXPECT_NE( a.get(), b.get() );
EXPECT_NE( c.get(), b.get() );
}
struct tls_tuple {
struct tag_a;
cds::details::tls_holder<int, tag_a> a;
struct tag_b;
cds::details::tls_holder<int, tag_b> b;
cds::details::tls_holder<int, tag_a> c;
};
void thread_func( tls_tuple* tls, int inc )
{
tls->a.set( 1 + inc );
EXPECT_EQ( tls->a.get(), 1 + inc );
tls->b.set( 2 + inc );
EXPECT_EQ( tls->b.get(), 2 + inc );
tls->c.set( 3 + inc );
EXPECT_EQ( tls->c.get(), 3 + inc );
EXPECT_EQ( tls->a.get(), 3 + inc );
EXPECT_EQ( tls->b.get(), 2 + inc );
EXPECT_EQ( tls->c.get(), 3 + inc );
EXPECT_EQ( tls->a.get(), tls->c.get() );
EXPECT_NE( tls->a.get(), tls->b.get() );
EXPECT_NE( tls->c.get(), tls->b.get() );
}
TEST_F( tls_test, thread_test )
{
tls_tuple tls;
tls.a.set( 1 );
EXPECT_EQ( tls.a.get(), 1 );
tls.b.set( 2 );
EXPECT_EQ( tls.b.get(), 2 );
tls.c.set( 3 );
EXPECT_EQ( tls.c.get(), 3 );
EXPECT_EQ( tls.a.get(), 3 );
EXPECT_EQ( tls.b.get(), 2 );
EXPECT_EQ( tls.c.get(), 3 );
EXPECT_EQ( tls.a.get(), tls.c.get() );
EXPECT_NE( tls.a.get(), tls.b.get() );
EXPECT_NE( tls.c.get(), tls.b.get() );
std::thread t1( thread_func, &tls, 1000 );
EXPECT_EQ( tls.a.get(), 3 );
EXPECT_EQ( tls.b.get(), 2 );
EXPECT_EQ( tls.c.get(), 3 );
std::thread t2( thread_func, &tls, 2000 );
EXPECT_EQ( tls.a.get(), 3 );
EXPECT_EQ( tls.b.get(), 2 );
EXPECT_EQ( tls.c.get(), 3 );
t1.join();
t2.join();
EXPECT_EQ( tls.a.get(), 3 );
EXPECT_EQ( tls.b.get(), 2 );
EXPECT_EQ( tls.c.get(), 3 );
}
} // namespace
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